发明名称 Compositions and methods for altering the color of teeth
摘要 Compositions for altering the color of teeth, including tooth-coating compositions comprising a colorant and an acrylate polymer. Colorants among those useful herein include whiteness-imparting particulate materials, such as hydroxyapatite.
申请公布号 US9072672(B2) 申请公布日期 2015.07.07
申请号 US200511168681 申请日期 2005.06.28
申请人 Colgate-Palmolive Company 发明人 Maitra Prithwiraj;Chopra Suman K.;Ibrahim Sayed;Pashkovski Eugene;Prencipe Michael
分类号 A61K9/00;A61K8/19;A61K8/24;A61K8/26;A61K8/29;A61K8/81;A61Q11/00 主分类号 A61K9/00
代理机构 代理人 Lee Howard C.
主权项 1. A tooth-coating composition comprising a) whiteness-imparting particulate material comprising white crystalline hydroxyapatite, b) an acrylate co-polymer consisting of monomers of t-butyl acrylate, ethyl acrylate, and methacrylic acid, c) one or more non-acrylate polymers selected from the group consisting of carboxymethylcellulose acetate butyrate, cellulose acetate butyrate, ethyl cellulose, marine colloids, chitosan, polyvinylpyrrolidone/vinyl acetate copolymer, and mixtures thereof, wherein said acrylate co-polymer is present at a concentration of from 60% to 99% by weight of the composition.
地址 New York NY US